Product Introduction
The Bently Nevada 330709-000-040-90-02-05 is a 3300 XL 11 mm proximity probe designed for precise vibration and position monitoring in rotating machinery. Part of the trusted 3300 XL series, this probe offers robust performance in harsh industrial environments. Its unthreaded length of 0 mm, overall case length of 40 mm, and 9.0 meter cable ensure flexible installation options.
Technical Specifications
Key specifications sourced from product documentation:
- Probe type: 3300 XL 11 mm, M16 x 1.5 thread, without armor
- Unthreaded length: 0 mm
- Overall case length: 40 mm
- Total length: 9.0 meters (29.5 feet)
- Connector: Miniature coaxial ClickLoc, standard cable
- Agency approval: Multiple Approvals
- Probe DC resistance (RPROBE): 8.5 ± 1.1 ohms (center to outer conductor at 9.0 m)
- Cross-talk limitation: recommended target diameter 30.5 mm, shaft diameter 152 mm
- Probe tip material: Polyphenylene sulfide (PPS)
- Probe case material: AISI 304 stainless steel
- Cable: 75 Ω triaxial, FEP insulated
- Probe case torque (M16x1.5): 21.1 N·m (187 in·lb) recommended, 63.3 N·m (560 in·lb) maximum
- Connector torque: finger tight (max 0.565 N·m / 5 in·lb)
- Minimum bend radius: 25.4 mm (1.0 in)
- Operating temperature range: -52°C to +177°C (-62°F to +351°F)
- Thread: M16x1.5, max thread engagement 24 mm
Industry Applications
The Bently Nevada 330709-000-040-90-02-05 excels in vibration monitoring for turbines, compressors, pumps, and generators. In power generation, the 9-meter cable length allows remote mounting from the machine, reducing interference. The PPS tip and stainless steel case resist chemical exposure in oil and gas applications. Multiple agency approvals ensure compliance with international safety standards.
Installation & Setup Guidance
When installing the 330709-000-040-90-02-05, ensure the probe face is perpendicular to the target surface. Use recommended torque of 21.1 N·m for the M16x1.5 case to avoid damage. The connector should be finger-tight only—over-tightening may break the coaxial ClickLoc. Maintain a minimum bend radius of 25.4 mm on the cable to prevent internal fractures. For optimal cross-talk performance, use a target diameter of at least 30.5 mm and a shaft diameter of 152 mm.
Maintenance & Reliability
The Bently Nevada 330709-000-040-90-02-05 requires minimal maintenance. Periodically inspect the cable for cuts or kinks, especially near the connector. Operating temperatures beyond -34°C may cause premature seal failure—avoid cold starts below this threshold. The stainless steel case resists corrosion, but verify the probe tip (PPS) is free from abrasives. Regular calibration checks (annually) help maintain measurement accuracy.
Selection Guide & Purchasing Advice
Before purchasing the 330709-000-040-90-02-05, verify your system’s thread specification (M16x1.5) and required cable length (9.0 m). This model uses a miniature coaxial ClickLoc connector—ensure your extension cable or monitor has the matching interface. For systems using armored cable, consider the version with armor. Contact UBEST Automation (ubest101) for assistance with compatible accessories and installation support.